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Finding the Fourth Proportional to 1,050.49, 1,573.34 and 503.06

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Solution

The fourth proportional to 1,050.49, 1,573.34 and 503.06 is: 753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.49 : 1,573.34 = 503.06 : x
  2. Step 2: Convert to fraction form
    1,050.49/1,573.34 = 503.06/x
  3. Step 3: Cross multiply
    1,050.49x = 1,573.34 × 503.06
  4. Step 4: Simplify right side
    1,050.49x = 791,489.61
  5. Step 5: Solve for x
    x = 791,489.61/1,050.49
  6. Step 6: Final answer
    x = 753.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.